Berth-lamp.



W. S. HAMM 6L T. A. LEGGE.

l BERTH LAMP. APPLICATION FILED APR. 17, 1909.

942,963. Patented Dec. 14, 1909.

' In. u@ nl. or/s Wb 'am @f7/amm fC/7011105 STM UNITED STATES PATENTOFFICE.

WILLIAM S. HAMM,l OF HUBBARD WOODS, AND THOMAS A. LEGGE, OF CHICAGO,

ILLINOIS, ASSIGNORS TO THE ADAMS & WESTLAKE COMPANY, OF CHICAGO, ILLI-NOIS, A CORPORATION OF ILLINOIS.'

BERTH-LAMP.

Specification of Letters Patent.

Application led April 17], 1909. Serial No. 490,580.

To all whom it may concern:

Be it known that we, VVILLI'AM S. HAMM of Hubbard Woods, county of Cook,and

' State of Illinois, and THOMAS A. LEGGE of Chicago, countyof Cook, andState of Illinois, citizens of the United States, have invented certainnew and useful Improvements in Berth-Lamps, of which `the following isla specification, and which are illustratedin the accompanying drawings,

f forming a part thereof.

The invention relates to pivotal panel f electric lam s for use in suchsituations as the berth o a'lsleepmg'car, the lamp, when not in use,being within a pocket in the wall and being carried by a pivot memberadaptedito-"swing outwardly to uncover the lamp kand turn on thecurrent.

The object of the invention is to rovide a lamp carrier with which theremay used an incandescent lamp of considerable size, and to generallyimprove on known devices i ofl this class.

. vation of the Fig. 4 is a plan section on. the line 4 4 of Fig. 3, thelamp being open.

The device is provided with a frame 10, preferably rectangular andadapted to be secured, as b means of screws, to the surface of a wa l 11and to bound an aperture i therein. The lamp 12 is carried by a socket13 depending from an angle plate 14 supported by and at the to of a pairof doors 15, 16, rigidly secure to ether and, as shown, llocated inperpen icular planes. These two doors are hinged at their meeting edgesto the frame l0, as shown at 17, 18, a spring 19 being provided andpreferably being coiled about one of the pivots, as 17, for swinging thedoors outwardly.

In order that the outer door 15 when closed may be flush with the faceof the casing 10, a stop is provided for limiting the inward movement,and such stop is s own at 20 as in the form of a lug adapted to bear4upon the inner surfaceof the frame 10 when the lamp is closed.

A suitable fastening is provided for holding the lamp in its closedposition against the strain of the'sprin 19, and for this purpose thereis shown a atch member 21, pivoted to the inner facing ofthe frame 10and having a lug 22 for engagin a bracket 23 formed on the inner face oft e door 15. A push button 24, set in the frame 10, carries a cam 25,which projects through an aperture in the latch 21 and Vforces thelatter backwardly against the resistance of a spring 26.

The inner faces of the outer door 15 and the outer faces of the innerdoor 16 are concave, as more plainly shown in Fig. 4, and to these facesof the doors, as well as to the lower surface of the plate 14, there isapplied a polished lining 27, which constitutes a mirror of such form asto give a substantially universal reflection to the liglit rays. Thedouble door provides a closure for the wall aperture, whether the lampbe in or out of service.

The two wires 28, 29, leadin to the lam socket are connected, respective',with bin ing posts 30 and 31, each carried by an insu ating block,that of the post 31 being plainly shown at 32. For convenience one ofthese binding posts is secured at the top and the other at the`bottom ofthe inner face of the inner door 16. Each of the insulating blocks, as32, carries a metal plate 33, 34, a portion of each plate 35, 36, con--stituting the blade of a so-called jack-knife wedge; these bladescoperatingieach withl a pair of spring jaws 37, 38, mounted oninsulating blocks 39, 40, lixed, respectively, to the inner faces of thetop and bottom members of the frame 10 and being so located that whenthe lamp-carrying doors swing outwardly the blade switchesA engage thejaws thereof.

At 41, 42, are shown the terminals of the electric circuit, the samebeing attachedto binding 1posts 43, 44, carried, respectivel by the boeks 39, 40, and being electrical y connectediwith the jaws 35, 36.

Vhile we have shown the preferred form of construction, the device maybe modified in various respects without departing from the scope of theinvention. The arran ement of-the pivots or hinges so that t e doorsswing horizontally, is to be preferred, but is not of the essence of theinvention.

Patented Dec. 14, 1909.,

' the closure.

By this arrangement the aXis of the lamp is always vertical; a positionespecially desirable in the case of the Vso-called tungsten lamp 'inlits present state of development.

The device admits of the use of iiicandes cent lamps of standard size,thereby providing ample illumination for reading; a consideration foundto be highly desirable in practice.

IVe claim asour invention- 1. In a lamp, in combination, a frame, aclosure for the frame opening comprising two rigidly united leaves, anda lamp socket mounted upon the closure.

2. In a lamp, in combination, a frame, a two-leaved closure for theframe opening, a plate spanning the angle between the leaves, and a lampsocket carried bythe plate.

In a lamp, in combination, a frame, a two-leaved closure for the frameopening, a reflector formed on the contiguous faces of the leaves, andalamp socket mounted upon 4. In a lamp, in combination, a frame, atwo-leaved closure for the frame opening, a Yplate spanning the anglebetween the leaves, a reflector formed on the contiguous faces of theleaves. and the surface of the plate, and a lam socket carried by theplate.

5. In a amp, in combination, a frame, a pair of closure plates for theframe o ening arranged at an angle and rigidly united at their meetingedges and'being pivoted to the frame at such edges, and a lamp socketcarried between the plates.

v6. In a lamp, in combination, a frame, a pair of closure plates for thetrame opening arranged at an angle and rigidly united at their meetingedges and being pivoted to the frame at such edges, and a plate providedwith a lainp socket spanning the angle between the closurefplates. i

7. In a lamp, in combination, a frame, a

.pair of closure plates for the frame opening arranged at an angle andrigidly united at their meeting edges and being pivoted to a pair ofterminals connected with the lamp socket and arranged to make contactwit the fixed terminals.

9. In a lamp, in combination, a frame, a pair of closure plates for theframe opening arranged at an angle and rigidly united. at their meetingedges and being pivoted to the frame at suchl edges, a lamp socketcarried between. the plates, an electric circuit leading to the lampsocket, and a switch in such circuit one element thereof being mountedwith the frame .and the other element thereof being carried by theclosure plates.

10. In a lamp, in combination, a frame, :i pair of closure plates forthe frame opening arranged at an angle and rigidly united at theirmeeting edges and beinggpivoted to the frame at such edges, a lampsocket cai'- ried between the plates, an electric circuit leading'to thelamp socket, and a switch in each branch of such circuit, one element ofeach switch being mounted with the frame and the other element thereofbeing carried by the closure plates.

11. In a lamp, in combination, a frame, a closure for the frame vopeningcomprising two rigidly united leaves and being carried by verticalpivots, and a lamp socket mount ed 0n the closure.

WILLIAM S. HAMM. f, THOMAS A. LEGGE.

lVitnesses: l

Lotus V. EGGERT, R G. EMERY.

